High Temp Silicone
MaybeAn estimated 0.9% of orders come back. But demand is soft, at -9.4% this quarter, so High Temp Silicone is a Maybe.
- Flapen Score
- 52 / 100Top 35% of 7,287 Automotive niches · +3 vs the category median of 4952
- Market size
- $310K/yr202K searches / yr
- 90-day growth
- -9.4%search demand this quarter
- Competition
- 57%top-5 click share · 11 brands · 113 sellers
Flapen Score
High Temp Silicone against its category
The dotted line is the Automotive average. Past it, High Temp Silicone is stronger. Inside it, weaker.
Market
The High Temp Silicone market on Amazon at a glance
Shoppers on Amazon United States searched for High Temp Silicone 202K times last year and spent an estimated $310K. The top 5 brands take 82% of clicks. Demand peaks in Oct. Flapen scores it 52 out of 100, a Maybe.
01 · Demand
An estimated 10.6% of those searches ended in a purchase.
Shoppers searched for this 202K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 10.6% of those searches ended in a purchase. Searches in the last 90 days moved -9.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $310K a year.
- Searches, last 12 months
- 202K
- Growth, 90 days vs prior 90
- -9.4%
- Conversion, latest week
- 10.6%
- Market size, estimated
- $310Ka year
- Peak month
- October2.2× the quietest month
- Top search term
- high temp silicone sealant48K searches a year
02 · Price
A sale here is worth $14.52.
Listings sell for $14.52 on average, from $4.94 to $36.79. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 1,000 to 1,250 of them. At $14.52 that is $15K to $18K a year per listing.
- Average price
- $14.52under the $15 to $100 sweet spot
- Price range
- $4.94–$36.79
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $15K–$18K
- Returns
- 0.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
67% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #1,106 within Fillers, Adhesives & Sealants. It carries 2,675 reviews at 4.58 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 67%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #1,106in Fillers, Adhesives & Sealants
- Average rating
- 4.58 starsAmazon United States average 4.42 stars
- Average reviews
- 2,675per listing
- Listings tracked
- 18
04 · Newcomers
2 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 57 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 57 months
Products
Top High Temp Silicone products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 8, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Permatex 81630 Ultra Red High Temperature Gasket Maker 3 oz
- Price
- $7.38
- Rating
- 4.7/5
- Reviews
- 2,166
- Age
- 6y ago
J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.
- Price
- $8.20
- Rating
- 4.7/5
- Reviews
- 5,890
- Age
- 21y ago
J-B Weld 31314 Red High Temperature RTV Silicone Gasket Maker and Sealant - 3 oz. - 2-Pack
- Price
- $13.52
- Rating
- 4.7/5
- Reviews
- 5,890
- Age
- 1y ago
Rutland High Heat Silicone Sealant for BBQ Grills USA-Made High Temp Gasket Maker Adhesive - UV Stable Oil Resistant Waterproof & Non-Corrosive 500F RTV Black
- Price
- $9.89
- Rating
- 4.6/5
- Reviews
- 2,835
- Age
- 17y ago
DAP High Temp 100% RTV Silicone Sealant 10.3 Oz Red (7079808013)
- Price
- $11.74
- Rating
- 4.5/5
- Reviews
- 90
- Age
- 9y ago
Trending
estimated 90-day click momentum
Wood Stove Door Gasket Cement 850F RTV High Heat Silicone Sealant High Temperature Resistance Silicone Material Adhesive Black 100ml
- Price
- $8.09
- Rating
- 4.5/5
- Reviews
- 24
- Age
- 7mo ago
Stnkeno High Temp Silicone Sealant High Temperature Adhesive Heat Resistant Glue Insulation and Waterproof Quick Drying Silicone Adhesive for Ovens Fireplace Microwave Transparent 2 Pack 3.53 OZ
- Price
- $12.70
- Rating
- 4.6/5
- Reviews
- 68
- Age
- 9mo ago
J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.
- Price
- $8.20
- Rating
- 4.7/5
- Reviews
- 5,890
- Age
- 21y ago
DAP High Temp 100% RTV Silicone Sealant 10.3 Oz Red (7079808013)
- Price
- $11.74
- Rating
- 4.5/5
- Reviews
- 90
- Age
- 9y ago
Akfix Heat Fighter Black Fireplace Sealant - 2700 F (2x10.1 oz.) - Heat Resistant Fireplace Stove Caulk for Chimneys Ovens Grills Wood Stoves | Non-Flammable Quick-Drying & Paintable Cartridge
- Price
- $36.50
- Rating
- 3.9/5
- Reviews
- 73
- Age
- 8mo ago
Newest
by launch dateWood Stove Door Gasket Cement 850F RTV High Heat Silicone Sealant High Temperature Resistance Silicone Material Adhesive Black 100ml
- Price
- $8.09
- Rating
- 4.5/5
- Reviews
- 24
- Age
- 7mo ago
Akfix Heat Fighter Black Fireplace Sealant - 2700 F (2x10.1 oz.) - Heat Resistant Fireplace Stove Caulk for Chimneys Ovens Grills Wood Stoves | Non-Flammable Quick-Drying & Paintable Cartridge
- Price
- $36.50
- Rating
- 3.9/5
- Reviews
- 73
- Age
- 8mo ago
Stnkeno High Temp Silicone Sealant High Temperature Adhesive Heat Resistant Glue Insulation and Waterproof Quick Drying Silicone Adhesive for Ovens Fireplace Microwave Transparent 2 Pack 3.53 OZ
- Price
- $12.70
- Rating
- 4.6/5
- Reviews
- 68
- Age
- 9mo ago
Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker 3 oz. Tube
- Price
- $8.13
- Rating
- 4.8/5
- Reviews
- 3,365
- Age
- 1y ago
J-B Weld 31314 Red High Temperature RTV Silicone Gasket Maker and Sealant - 3 oz. - 2-Pack
- Price
- $13.52
- Rating
- 4.7/5
- Reviews
- 5,890
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 57% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 rising
Sellers
113
Est. top-5 brand share
82%
Top 20: 100%
Est. top-5 click share
57%
Top 20: 100%
Open market
12%
- Permatex33%
- J-B Weld20%
- RUTLAND PRODUCTS13%
- Visbella9%
- DAP8%
- KRAKEN BOND6%
- Open — no brand owns it (5 brands, 12%)
Demand
High Temp Silicone search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Oct · busiest ÷ quietest = 2.2×
Search terms
Top High Temp Silicone search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- high temp silicone sealant48K/yr
- high heat silicone sealant26K/yr
- high temp silicone24K/yr
- high temp rtv12K/yr
- high temperature silicone sealant9K/yr
- high temp gasket maker7K/yr
- heat resistant silicone7K/yr
- high heat silicone7K/yr
- high temp rtv silicone6K/yr
- gasket maker high temp6K/yr
Reviews and returns
What reviews say buyers love and hate about High Temp Silicone
We read the reviews and the return reasons for every product selling here.
“Leaks pretty easily even when instruction are followed”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
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Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common High Temp Silicone questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data